postMessage goes glob matching. Fix #28.
Merge pull request #29 from ahume/master

Fix typo in error handling.
One liner, yo. Fix #16.
Release v0.1.0.
Fix x-origin fetch interception.
Release v0.1.1.
Clean up some logging.
Update the README with the new install stuff.
Release v0.1.2.
Refactor registrations to use classes & methods.
Implement importScripts function in worker global.

* Add importScripts function which sync loads external scripts.
* Parse worker.js and wrap calls to importScripts in eval().

Address #5